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- The reason of air distribution being asymmetric is that the penetrability of the field soil is not uniform. 现场曝气存在气流分布不对称现象，是由于土壤介质的渗透性不均匀所致。
- Mycorrhiza colonization was also observed in the control plants due to native AM fungi present in the field soil. 由于田土本身含有天然存在之菌根菌，故对照组之植株上亦可发现菌根菌感染的现象。
- Fig 1.The baiting rate of Pythium spp. from Da-Ping-Ding field soil in different months during 1999-2000. 图一、Fig.;1
- H.T.Lin, S.S.Wong, G.C.Li: Residual level of chlorinated hydrocarbon insecticides in the field soil of Taiwan.Plant Prot.Bull. (Taiwan, R. 李仁厚、陈鸿基、李宏萍、李国钦：以顶空微针动态抽取技术测定土壤有机氯化物农药之研究。
- Base d on those data the soil strength of any other paddy field soil can be fuzzily p redicted when its water content, sand content and clay content are given. 探讨了基于模糊数学原理由土壤含水量和机械组成来预测任一种水田土壤强度（内聚力系数和内摩擦因数）的可能性，得出了预测公式并给出了预测实例。
- This study was carried out with both sterilized soil and field soil containing M.incognita,this method may enhance the pace from laboratory study to field application. 本研究不但以消毒土为研究背景，而且以田间病土这个微生态环境为研究背景，缩短了实验室研究到田间应用的距离。
- The disappearance and transfer behavior of polychlorinated biphenyl (PCBs) (the mains of penta PCBs) at higher concentrations (400 mg/kg) bestrewed into semi field soil systems were studied under near field conditions (semi dry climate in North China). 利用构建的土壤半野外试验系统 ;在接近野外 (半干旱气候 )条件下 ;研究高含量 ( 4 0 0mg/kg)高氯代PCBs(以五氯代为主 )在系统中的迁移与消失规律 .
- Field soils often have bulk densities ranging from 1.0 to 1.4gcc; with commensurate porosities and infiltration characteristics. 田间土壤的容重常在1.;0到1
- The field artillery pounded away at the for tress. 野战炮兵连续炮击那座要塞。
- Corrosion of Carbon steels in Oil Field Soil 碳钢在油田现场土壤中的腐蚀研究
- During agricultural production cycle, Infiltration capacity, infiltration velocity and rate of stability infiltration of field soils decreased while periods of tillage developed. 在农业生产周期内，土壤入渗能力、土壤入渗速度和土壤的稳定入渗率随着耕作条件的发展而呈减小趋势；
- Abstract: Sixteen samples representing various paddy field soils of the main rice-plantin g regions in South China, with their characteristic parameters, are listed. 文摘:列出了我国南方水稻产区16种具有代表性的水田土壤及其特征参数；
- Sixteen samples representing various paddy field soils of the main rice-plantin g regions in South China, with their characteristic parameters, are listed. 列出了我国南方水稻产区16种具有代表性的水田土壤及其特征参数；
- The crowd cheered as the teams entered the field. 球队入场时观众们为之欢呼。
- On the map the drains of each field are laid sown. 地图上标有每一块地的排水沟。
- Right-handed batters usually hit to left field. 右撇子击球手把球打到左外野。
- The runaway horse was cornered in a field. 那匹跑掉的马在田地里被圈住了。
- Tent is used by camper and by soldier in the field. 露营的人和战地的士兵用帐篷。
- The children had a field day with their new toys. 孩子们玩新玩具玩得十分开心。
- An oil well blew out in the oil field. 油田里有一口油井发生井喷。
